[PATCH v3 0/2] MR9530: dlls/sane.ds: Added cancel button and progress bar to progress dialog

[Bernd Herd (＠herdsoft)]

Control display of progress dialog with CAP_INDICATORS.

Use PeekMessage/DispatchMessage loop while scanning. Display some informations on scan job in progress dialog.

If ADF is enabled and not filled with paper, display an error message to the user and allow a retry.

Also displays paper jammed message and cover open message.

Added german translation for the new error messages and progress dialog controls.

![no_docs_error.png](/uploads/0ff5e941fbae3685e0a94ca8031f075b/no_docs_error.png){width=389 height=320}

Error message display are controlled with CAP_INDICATORS if Data Source UI is not shown.

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  v3: dlls/sane.ds: Display message if ADF is empty in ADF scan

https://gitlab.winehq.org/wine/wine/-/merge_requests/9530